Hydrotherapy tub



FIG. 1 is a top front perspective view of a hydrotherapy tub showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevation thereof;

FIG. 4 is a rear elevational thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a hydrotherapy tub, as shown. 